Weight of the pulley the mechanical advantage of single fixed pulley and the mechanical advantage of single movable pulley

increases, increases

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increases, reduces

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doesn't affect, reduces

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reduces, does not affect

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Solution

The correct option is B doesn't affect, reduces
Weight of pulley does not affect mechanical advantage of single fixed pulley.
Weight of pulley reduces mechanical advantage of single fixed pulley(because it is not stationary).

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Similar questions

What is the mechanical advantage of a single movable pulley?

Give reasons for the following :

(a) In a single fixed pulley, the velocity ratio is always more than the mechanical advantage.

(b) The efficiency of a movable pulley is always less than $100 %$ .

(d) The lower block of a block and tackle pulley system must be of negligible weight.

What is the mechanical advantage of a single movable pulley in the ideal case?

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